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Date:      Tue, 21 Nov 2006 12:22:15 +0200
From:      Artis Caune <Artis.Caune@latnet.lv>
To:        Cristiano Deana <cristiano.deana@gmail.com>
Cc:        FreeBSD Stable Mailing List <freebsd-stable@freebsd.org>
Subject:   Re: sshd. "UseDNS no" ignored?
Message-ID:  <4562D357.9020400@latnet.lv>
In-Reply-To: <d8a4930a0611210211q4920bfdkf7f0400c69df2689@mail.gmail.com>
References:  <d8a4930a0611210211q4920bfdkf7f0400c69df2689@mail.gmail.com>

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add "-u0" to sshd_flags or openssh_flags in /etc/rc.conf




Cristiano Deana wrote:
> Hi,
> 
> i'm using a 6.2-PRERELEASE and i got:
> 
> # uname -a
> FreeBSD circe.cmp 6.2-PRERELEASE FreeBSD 6.2-PRERELEASE #0: Wed Nov 15
> 16:13:14 CET 2006     root@circe.cmp:/usr/obj/usr/src/sys/PAECMP  i386
> # grep UseDNS /etc/ssh/sshd_config
> UseDNS no
> # /etc/rc.d/sshd restart
> Stopping sshd.
> Starting sshd.
> 
> now, start a ssh session from a client (192.168.7.8). my sshd machine
> is 192.168.18.3 and 192.168.18.251is the dns.
> 
> # tcpdump -ni bce0 port 53
> tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
> listening on bce0, link-type EN10MB (Ethernet), capture size 96 bytes
> 11:07:52.069663 IP 192.168.18.3.60321 > 192.168.18.251.53:  48923+
> PTR? 8.7.168.192.in-addr.arpa. (42)
> 11:07:52.070551 IP 192.168.18.1.15679 > 128.8.10.90.53:  6929 [1au]
> PTR? 8.7.168.192.in-addr.arpa. (53)
> 11:07:55.078756 IP 192.168.18.1.15679 > 192.203.230.10.53:  29042
> [1au] PTR? 8.7.168.192.in-addr.arpa. (53)
> 11:07:57.073039 IP 192.168.18.3.60321 > 192.168.18.251.53:  48923+
> PTR? 8.7.168.192.in-addr.arpa. (42)
> 
> Am i wrong or the UseDNS directive is ignored?
> 



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